1. a School of Nursing, College of Medicine, National Taiwan University, Taipei, Taiwan
2. b Department of Nursing, Fooyin University, Kaohsiung, Taiwan
3. c Department of Radiation Oncology, Taipei Medical University Hospital, Taipei,Taiwan
4. d College of Nursing, Cardinal Tien College of Nursing, Taipei, Taiwan
5. e Department of Radiation Oncology, Wanfang Hospital, Taipei, Taiwan
6. f Department of Radiation Oncology, Min-Sheng General Hospital Chin-Kuo Campus, Taoyuan, Taiwan